Dilution of the Antarctic ozone hole into southern midlatitudes, 1998–2000
The reduction in southern midlatitude ozone is quantified by evaluating the trajectories of ozone-depleted air masses, assuming that photochemical recovery of ozone in advected air parcels can be ignored. This procedure is carried out for the 3 months from 15 October to 15 January for each of the ye...
Published in: | Journal of Geophysical Research |
---|---|
Main Authors: | , , , , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
Wiley
2004
|
Subjects: | |
Online Access: | https://vet-erinar.vet.bg.ac.rs/handle/123456789/2359 https://doi.org/10.1029/2003JD004500 http://veterinar.vet.bg.ac.rs/bitstream/id/6538/2003jd004500.pdf |
id |
ftunivbelgradfvm:oai:vet-erinar.vet.bg.ac.rs:123456789/2359 |
---|---|
record_format |
openpolar |
spelling |
ftunivbelgradfvm:oai:vet-erinar.vet.bg.ac.rs:123456789/2359 2023-05-15T13:47:04+02:00 Dilution of the Antarctic ozone hole into southern midlatitudes, 1998–2000 Ajtić, Jelena Connor, Brian J. Lawrence, Bryan N. Bodeker, Gregory E. Hoppel, Karl W. Rosenfield, Joan E. Heuff, Darlene N. 2004 https://vet-erinar.vet.bg.ac.rs/handle/123456789/2359 https://doi.org/10.1029/2003JD004500 http://veterinar.vet.bg.ac.rs/bitstream/id/6538/2003jd004500.pdf en eng Wiley American Geophysical Union 0148-0227 https://vet-erinar.vet.bg.ac.rs/handle/123456789/2359 doi:10.1029/2003JD004500 2-s2.0-9144222639 http://veterinar.vet.bg.ac.rs/bitstream/id/6538/2003jd004500.pdf embargoedAccess https://creativecommons.org/licenses/by/4.0/ BY Journal of Geophysical Research: Atmospheres air mass midlatitude environment ozone depletion Antarctica article publishedVersion 2004 ftunivbelgradfvm https://doi.org/10.1029/2003JD004500 2023-04-12T10:12:48Z The reduction in southern midlatitude ozone is quantified by evaluating the trajectories of ozone-depleted air masses, assuming that photochemical recovery of ozone in advected air parcels can be ignored. This procedure is carried out for the 3 months from 15 October to 15 January for each of the years 1998, 1999, and 2000. Two distinct source regions, the vortex core and the vortex edge, are considered, and for each day, diabatic reverse domain filling calculations are performed for an ensemble of parcels between 30°S and 60°S and 400–700 K in altitude. In 1998, 1999, and 2000 the mean calculated ozone reduction is 16, 18, and 19 DU, respectively. Air parcels from the vortex edge region are significant contributors to the reduction, especially during spring. Results for four longitudinal and three latitudinal midlatitude subregions are also presented. A comparison with the Total Ozone Mapping Spectrometer measurements of total column ozone shows that without the dilution, ozone over Southern Hemisphere midlatitudes would be 5–6% higher during spring and summer. This result is probably an overestimate due to the neglect of photochemical recovery. Article in Journal/Newspaper Antarc* Antarctic Antarctica Veterinar - Repository of the Faculty of Veterinary Medicine, University of Belgrade Antarctic The Antarctic Journal of Geophysical Research 109 D17 |
institution |
Open Polar |
collection |
Veterinar - Repository of the Faculty of Veterinary Medicine, University of Belgrade |
op_collection_id |
ftunivbelgradfvm |
language |
English |
topic |
air mass midlatitude environment ozone depletion Antarctica |
spellingShingle |
air mass midlatitude environment ozone depletion Antarctica Ajtić, Jelena Connor, Brian J. Lawrence, Bryan N. Bodeker, Gregory E. Hoppel, Karl W. Rosenfield, Joan E. Heuff, Darlene N. Dilution of the Antarctic ozone hole into southern midlatitudes, 1998–2000 |
topic_facet |
air mass midlatitude environment ozone depletion Antarctica |
description |
The reduction in southern midlatitude ozone is quantified by evaluating the trajectories of ozone-depleted air masses, assuming that photochemical recovery of ozone in advected air parcels can be ignored. This procedure is carried out for the 3 months from 15 October to 15 January for each of the years 1998, 1999, and 2000. Two distinct source regions, the vortex core and the vortex edge, are considered, and for each day, diabatic reverse domain filling calculations are performed for an ensemble of parcels between 30°S and 60°S and 400–700 K in altitude. In 1998, 1999, and 2000 the mean calculated ozone reduction is 16, 18, and 19 DU, respectively. Air parcels from the vortex edge region are significant contributors to the reduction, especially during spring. Results for four longitudinal and three latitudinal midlatitude subregions are also presented. A comparison with the Total Ozone Mapping Spectrometer measurements of total column ozone shows that without the dilution, ozone over Southern Hemisphere midlatitudes would be 5–6% higher during spring and summer. This result is probably an overestimate due to the neglect of photochemical recovery. |
format |
Article in Journal/Newspaper |
author |
Ajtić, Jelena Connor, Brian J. Lawrence, Bryan N. Bodeker, Gregory E. Hoppel, Karl W. Rosenfield, Joan E. Heuff, Darlene N. |
author_facet |
Ajtić, Jelena Connor, Brian J. Lawrence, Bryan N. Bodeker, Gregory E. Hoppel, Karl W. Rosenfield, Joan E. Heuff, Darlene N. |
author_sort |
Ajtić, Jelena |
title |
Dilution of the Antarctic ozone hole into southern midlatitudes, 1998–2000 |
title_short |
Dilution of the Antarctic ozone hole into southern midlatitudes, 1998–2000 |
title_full |
Dilution of the Antarctic ozone hole into southern midlatitudes, 1998–2000 |
title_fullStr |
Dilution of the Antarctic ozone hole into southern midlatitudes, 1998–2000 |
title_full_unstemmed |
Dilution of the Antarctic ozone hole into southern midlatitudes, 1998–2000 |
title_sort |
dilution of the antarctic ozone hole into southern midlatitudes, 1998–2000 |
publisher |
Wiley |
publishDate |
2004 |
url |
https://vet-erinar.vet.bg.ac.rs/handle/123456789/2359 https://doi.org/10.1029/2003JD004500 http://veterinar.vet.bg.ac.rs/bitstream/id/6538/2003jd004500.pdf |
geographic |
Antarctic The Antarctic |
geographic_facet |
Antarctic The Antarctic |
genre |
Antarc* Antarctic Antarctica |
genre_facet |
Antarc* Antarctic Antarctica |
op_source |
Journal of Geophysical Research: Atmospheres |
op_relation |
0148-0227 https://vet-erinar.vet.bg.ac.rs/handle/123456789/2359 doi:10.1029/2003JD004500 2-s2.0-9144222639 http://veterinar.vet.bg.ac.rs/bitstream/id/6538/2003jd004500.pdf |
op_rights |
embargoedAccess https://creativecommons.org/licenses/by/4.0/ BY |
op_doi |
https://doi.org/10.1029/2003JD004500 |
container_title |
Journal of Geophysical Research |
container_volume |
109 |
container_issue |
D17 |
_version_ |
1766246282163126272 |